Elevated railway.



Patented Oct. I0, 1899.

F. P. DINKEL'BEBG.

ELEVATED RAILWAY.

(Application med :une 29, 1599.) (No Model.) 5 Sheets-Sheet l,

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ELEVATED RAILWAY.

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PATENT OFFICE.

FREDERICK P. DINKELRERG, on NEW YORK, N. YJ

ELEVATED RA: LwAY.

SPECIFICATION forming part of Letters Patent N o. 634,807, dated October 10, 1899.

Application nea June 29,1899. stanno. 722,258. cumin.)

Tn a/ZZ whom, t may concern/.a

Be it known that I, FREDERICK P. DINKEL- BERG, a resident of the city and State of New York, have invented cert-ain newV and useful Improvementsin Elevated Railways, of which the-following is a specification. This invention relates to elevated-railway systems 3 and it has for its object to provide a railway structure of this kindparticularly constructed for rapid transit and in which the car-body can be made of a very light weight, whereby to materially decrease the cost of propulsion over that of surface railways.

My invention also comprehends a novel con= struction of trucks for traversing the overhead trackways and pendent hanger-frames adapted to carry the car," combined with the said truck-frames in such manner as to insure a safe transit of the cars, particularly when rounding curves, and whereby the ears can always be maintained in a substantial straightway position, and lateral or twist strain there- 0n during running is reduced to the minimum.

Another and important feature of my in vention lies in the construction ofthe carsupporting frame so that it can be made up of very light material and yet possess great strength and be capable of being economically manufactured,Y Such constructionalso in# cluding a novel means for connecting the hanger-frame with the truck-frame, whereby the said han ger-frame can be readily detached from the said truck-frame and permit dierent frames adapted for supporting differentsi-Zed passenger-cars to be interchangeably connected and supported from the truck frame or frames without removing the said truck-frames from the trackway or in any manner disconnecting any of the parts thereof.

With other objects in View, that will hereinafter appear, this inventionin its subordinate features consists iu certain combinations and peculiar arrangement of parts, all of which will hereinafter be first described in detail and then specically pointed out in the appended claims, reference being had to the accompanying drawings, in which- Figure l is a view illustrating the general idea of my improved elevated-railway structure, the same being shown adapted for intercity travel. 1 Fig. 2 is a perspective vview illustratin g the general arrangement of the truckframes, the suspended car and the pendent or hanger frame therefor, the motor of one of the trucks being omitted. Fig. 3 is a longitudinal section of one of the truck-frames and a portion of the hanger-frame. Fig. 4 is-a front eleva-tion of the parts shown in Fig. 3, portions being in section. Fig. 5 is a plan view of oneof the trucloframes. Figs. 6 and 7 are detail views hereinafter specifically re# ferred to. Y Fig. S is a detail view illustrating the manner of' connecting and supporting the hanger-frame from the truck-frame. Fig. 9 .is a detail section of one of the buffer-spring supports hereinafter referred to. Fig. 10 illustrates a preferred form of superstructure .or trackway used in connection with my invention. Fig. 1l is a diagrammaticcrosssection of the said structure shown in Fig. l0,V

and Fig. l2 shows another form of elevated structure particularly adapted for my form of car supporting and propelling means.

In its practical construction my improved railway comprises an elevated trachway mounted upon suitably-arranged braced pillars 2, a plurality of trucks adapted to travel on the track members l, atruck-frame having guides for holding the trucks from lateral movement when in transit, and a hangerframe pendently supported from each truckframe and rotatable thereon, said hangerframes supporting the car.

lReferring new to the drawings, and more particularly to Figs. 2, 3, and 4, it will be observedthat each truck comprises a pair of axles 3, iixedly mounted upon the truck-frame and carrying at each end a truck-wheel 4.

It should be here stated that my elevatedrailway structure Vis especially adapted for electric propulsion means, and I have so illustrated the same in the drawings; but the mop tive power might be cable, steam, or of other propelling energy. y Y

As all of thetruck-frames and the pendent hangers are constructed alike, a detailed description of one set of truck-frames and the pendent hanger will be given.'

The truck-frame may he of either square or rectangular shape, and consists of the upper longitudinal bars 6, the transverse bars 6,

TOO

the lower side bars 7 and cross-bars 7, the verunder side of the bar 7.

tical bars S, the central vertical bars 9, and the strut-braces 10.

All of the several bars constituting the truck-frame are made up of tubular rods bra-Zed or otherwise joined at the end, the whole forming a light but strong metal framing. If desired, the bars instead of being made tubular may be made solid, with anglebraced webs, as shown in Fig. 7. The upper transverse bars 6 6 are fixedly held and have their ends extended to form the axles which receive the truck-wheels 4. The vertical bars 8 have their lower ends projected downwardly below the bars 7, which ends form stout axles S, upon which the horizontally-held rollers 12 are journaled, the purpose of which will presently appear.

In the drawings the truck-frame is shown .as supporting an electrically-propelled mot-or 14,which may be of any well-known construction, said motor having drive-gears 16, mounted on its drive-shaft 15, that mesh with the cog-rims 17 on the inner face of the trackwheels 4, as clearly shown.

The track-wheels 4 in my construction of railway are made with fiat rims having cushion-tires 18, and the tracks 1 are made of T or I beams, having their upper flat-tread faces terminating in pendent side flanges 19, with which the horizontallydisposed wheels or rollers 12 engage, said wheels serving as lateral roller-guides for holding the truck-frame steady, and also the pendent frames, together with the car, from swinging laterally or having sidewise jolting.

To render the truck travel over the rails substantially noiseless and to assist in overcoming the jarring, the wheels 4 have rubber tires or rims, as shownin Fig. 6. By providing fiat tire-wheels and wide tread-rails it is manifest that the truck-wheels Will have a slight creeping movement sidewise upon the rails when turning curves, thereby in a measure overcoming the torsional strain, such as is incident in the ordinary form of trucks and rails when rounding curves.

The lower bars 7 7L of the truck-frame, it will be observed, form the square base portion of the said truck-frame, and to these bars 7 7 is secured a supplemental horizontallydisposed circular bar 70, made fast upon the The circular bar forms a means for rigidly and firmly securing upon the truck-frame a pendent circular rim 20, the said rim 2O being detachably bolted or otherwise made fast to the circular bar 70, and the said rim 2O terminates in an inwardly-bent concaved flange 21, that forms a ball-race to receive the bearing-balls 22.

The hanger-frame comprises the vertical front and rear side bars 23 23a, joined at their upper ends with the square rim formed of the bars 23h, the lower ends of the said bars 23 23 joining with cross-bars 23, that are adapted to pass under the car and support it.

23y indicates a circular bar secured to or integrally formed upon the upper face of the square frame-bars 23". To the aforesaid oircular bar 23y is detachably connected an upwardly-projecting annular rim 29, the upper edge of which terminates in an inwardlyprojecting flange or rim 30, which laps over the pendent rim 2O and rests upon the bearingballs 22. This manner of connecting the pendent rim with the truck-frame provides for effectively supporting the said hangerframe and also allows for a free rotation of Such hangerframe.

All of the bars forming a part of the hangerframe may be made of tubing suitably brazed and braced, and, if desired, the several side bars may have angle web portions 23x to facilitate the ready attachmentof the fiat diagonal brace-bars 23g, and to further brace the hanger-frame additional horizontal bracebars 23e 23f are provided, as showin.

The hanger-frame is of a width to permit the end of the car passing snugly therebetween, the vertical side bars of said frame forming the lateral bearing-supports for the car, as clearly shown in Fig. 1, and to provide a cushion-bearing for the car-body to overcome jarring, dro., the hanger-frame carries at its bottom in ward ly-projecting side pieces 25, having vertical pintles 25, adapted to project up into the sockets 26 of the car bottom, the said pintles also forming guides for steadying the car-bodyfrom lateral or twist strain.

27 indicates stout coil-springs fitted on the pintles 25 and forming buffer-bearings, upon which the car-body rests.

To further hold the car steady within the hanger-frame, and particularly from longitudinal movement, the car-body may have lateral forked guards 2S, that embrace the outer vertical end bars of the frame. (See Figs. 1 and 2.)

By supporting the hanger-frame in the manner stated and shown it is obvious that it will have rotary motion independent of the truckframe, and thereby permit the car-body to transversely adj ust itself to the curves of the trackway without the slightest danger of accident or jarring.

In the practical application of my invention itis designed to provide but two hangerfranles for each car, each frame being hung from a truck-frame rabove it, and the said hanger-frames are intended to support the car at its opposite ends, as clearlyillustrated in Figs. 'l and 2 of the drawings, and to hold the car from longitudinal movement the ends of the said car have lateral lugs or keepers 28, that engage the outer pendent bars of the said hanger-frames, as shown.

By supporting the cars in the manner hereinbefore described and as shown in the drawings I am enabled to use a car of very light Weight,and by reason thereof it is obvious that the cost of conveying the cars is materially reduced and the speed of travel ca- IOO of structure shown in Fig. l.

pable of being materially increased over that attainable with the ordinary system of tramways or elevated railways. 1

Another and important advantage of my invention is that by arranging the truckframe and the car-supporting frame as described my system is rendered particularly; adapted for rapid transit in cities.

The car-body may be of any approved pattern; but I prefer to provide one constructed of a light-steelmetal frame suitably braced, as illustrated diagra'mmatically in Fig. 2.

The many advantages of my construction of railway system will, it is thought, be manifestly clear to those skilled in the art to which it appertains. It will be noticed that the torsional strain in rounding curves is taken up by the truck-frames and transmitted back to the elevated structure and in no way transmitted to the car or its hanger-supports, the car inrall conditions of track curvature maintaining an easy position free from the side thrust common in railways having the cars suspended in supports rigidly or semirigidly connected with the wheeled supporting-rims that travel on the elevated structure.

Vhile I have shown in the drawings a plurality of trucks for supporting the car-body,

' it is obvious that for short cars but a single hanger-frame need be employed and asingle truck, as illustrated in Fig. 10.

Fig. 1l illustrates in cross-section the form In this Aform is shown a series of inverted-T rails hung pendent from transverse beams supported on masonry piers, this form of structure being especially adapted for intercity travel.

Eig. l2 illustrates a still further modification of the track-rails and supports therefor. In this form the motor-carriages ride on top of the rails, as shown in Fig. 2.

Having thus described my invention, what I claim, and desire to secure by'Letters Patframe, and a car-supportingframe hung pendent from the truck-frame, all being arranged substantially as shown and described.

2. In an elevated railway of the character described, the combination with the track- Way; of a plurality of truck-frames held to travel upon the traekway,l said frames each having a pendent annular rim; a car-supporting frame for each truck-frame, said supporting-frame consisting of sides formed of a plurality of vertical bars, and longitudinal cross- 'bars connecting each set'of vertical bars;

transverse cross-bars connecting the side bars at the lower end to form rests for the carbody, supplemental transverse bars connecting the side bars near their-upper ends; .an annular rim connected to the upper part of each supporting-frame, said rim being held to engage with and rotate upon the pendent rim of the frame, all being arranged substantially as shown and described.

3. An improved elevated-railway construction. comprising in combination; a trackvvay;`

a plurality of truck-frames having drive- Wheels formed with flat bearing-surfaces -to engage the upper. faces of the track-rails; horizontally disposed laterally projecting roller-bearings mounted on said truck-frames, adapted to engage the inner sides of the trackrails, saidY truck-frame having a pendent annular rim formed of' detachable sections; a car-supporting frame for each truck-frame, s aid supporting-frame being in the nature of a cage adapted to straddle the endot the car. said carsupporting frame having an upwardlyprojecting sectional annular rim adapted to engage with and rotate upon the truck-frame annular rim, all being arranged substantially as shown and described.

4. The combination With the-trackway and a truck-frame adapted to travel thereonsaid frame including a base formed of bars 7, and 7, and a pendent circular bar 70, and an annular pendent member terminating in an inwardly-projecting concaved rim forming a ball-race; of a car-supporting hanger-frame, having an annular portion at the upper end that terminates in an inwardly-projecting convexed rim adapted to lap over the pendent rim-frameand the bearing-balls, all being arranged substantially as described.

FREDERICK P. DINKELBERG.

Witnesses FRED G. DIETERICH, Louis Drn'rnnron.

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